Manish has to secure 40% marks to pass his B.tech final exams.
He got just 40 marks and failed by 40-marks.

What is the maximum marks?

What goes up but never comes down?

Find out a multi-digit number that if multiplied by the number 9 or any of its multiplications products (i.e. 18, 27, 36, 45,..) will result in the multiplication factor repeated (n) number of times.

Can you solve the below geography rebus by decoding the below rebus ?

Two in a corner, one in a room, zero in a house, but one in a shelter. What is it?

A girl was sitting in her hotel room when she heard a knock on the door. She opened the door and found that a man was standing outside.
The man said, "Oh! I am really sorry, I thought this was my room."
He then walked through the corridor to the elevator. The girl did not know the man. She closed her door and called security asking them to apprehend the man.
What made her suspicious of that man? He might have been genuinely mistaken.

I am five letter word that is under you.
If you remove my 1st letter, then I am over you.
If you remove my 1st and 2nd letters then I am all around you.

Who am I?

They are the five precious gems of an everyday sort and all can be found on a Tennis Court. Who are they?

Why do you find that most of the buildings are deprived of the 13th floor?

This is a classy optical illusion puzzle. What more you can find except bricks in the image below?